251572160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 224

約数和(自身を含む): 754928640

約数和(自身を除く): 503356480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 32, 35, 38, 40, 46, 56, 64, 70, 76, 80, 92, 95, 112, 115, 133, 140, 152, 160, 161, 184, 190, 224, 230, 257, 266, 280, 304, 320, 322, 368, 380, 437, 448, 460, 514, 532, 560, 608, 644, 665, 736, 760, 805, 874, 920, 1028, 1064, 1120, 1216, 1285, 1288, 1330, 1472, 1520, 1610, 1748, 1799, 1840, 2056, 2128, 2185, 2240, 2570, 2576, 2660, 3040, 3059, 3220, 3496, 3598, 3680, 4112, 4256, 4370, 4883, 5140, 5152, 5320, 5911, 6080, 6118, 6440, 6992, 7196, 7360, 8224, 8512, 8740, 8995, 9766, 10280, 10304, 10640, 11822, 12236, 12880, 13984, 14392, 15295, 16448, 17480, 17990, 19532, 20560, 21280, 23644, 24415, 24472, 25760, 27968, 28784, 29555, 30590, 34181, 34960, 35980, 39064, 41120, 41377, 42560, 47288, 48830, 48944, 51520, 57568, 59110, 61180, 68362, 69920, 71960, 78128, 82240, 82754, 94576, 97660, 97888, 112309, 115136, 118220, 122360, 136724, 139840, 143920, 156256, 165508, 170905, 189152, 195320, 195776, 206885, 224618, 236440, 244720, 273448, 287840, 312512, 331016, 341810, 378304, 390640, 413770, 449236, 472880, 489440, 546896, 561545, 575680, 662032, 683620, 781280, 786163, 827540, 898472, 945760, 978880, 1093792, 1123090, 1324064, 1367240, 1562560, 1572326, 1655080, 1796944, 1891520, 2187584, 2246180, 2648128, 2734480, 3144652, 3310160, 3593888, 3930815, 4492360, 5468960, 6289304, 6620320, 7187776, 7861630, 8984720, 10937920, 12578608, 13240640, 15723260, 17969440, 25157216, 31446520, 35938880, 50314432, 62893040, 125786080, 251572160]

約数ペア:

[(1, 251572160), (2, 125786080), (4, 62893040), (5, 50314432), (7, 35938880), (8, 31446520), (10, 25157216), (14, 17969440), (16, 15723260), (19, 13240640), (20, 12578608), (23, 10937920), (28, 8984720), (32, 7861630), (35, 7187776), (38, 6620320), (40, 6289304), (46, 5468960), (56, 4492360), (64, 3930815), (70, 3593888), (76, 3310160), (80, 3144652), (92, 2734480), (95, 2648128), (112, 2246180), (115, 2187584), (133, 1891520), (140, 1796944), (152, 1655080), (160, 1572326), (161, 1562560), (184, 1367240), (190, 1324064), (224, 1123090), (230, 1093792), (257, 978880), (266, 945760), (280, 898472), (304, 827540), (320, 786163), (322, 781280), (368, 683620), (380, 662032), (437, 575680), (448, 561545), (460, 546896), (514, 489440), (532, 472880), (560, 449236), (608, 413770), (644, 390640), (665, 378304), (736, 341810), (760, 331016), (805, 312512), (874, 287840), (920, 273448), (1028, 244720), (1064, 236440), (1120, 224618), (1216, 206885), (1285, 195776), (1288, 195320), (1330, 189152), (1472, 170905), (1520, 165508), (1610, 156256), (1748, 143920), (1799, 139840), (1840, 136724), (2056, 122360), (2128, 118220), (2185, 115136), (2240, 112309), (2570, 97888), (2576, 97660), (2660, 94576), (3040, 82754), (3059, 82240), (3220, 78128), (3496, 71960), (3598, 69920), (3680, 68362), (4112, 61180), (4256, 59110), (4370, 57568), (4883, 51520), (5140, 48944), (5152, 48830), (5320, 47288), (5911, 42560), (6080, 41377), (6118, 41120), (6440, 39064), (6992, 35980), (7196, 34960), (7360, 34181), (8224, 30590), (8512, 29555), (8740, 28784), (8995, 27968), (9766, 25760), (10280, 24472), (10304, 24415), (10640, 23644), (11822, 21280), (12236, 20560), (12880, 19532), (13984, 17990), (14392, 17480), (15295, 16448)]